// Copyright 2022 The kubegems.io Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package prometheus

import (
	v1alpha1 "github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring/v1alpha1"
)

var (
	NullReceiverName = "null"
	NullReceiver     = v1alpha1.Receiver{Name: NullReceiverName}
)

func FindReceiver(aconfig *v1alpha1.AlertmanagerConfig, targetName string) bool {
	for _, v := range aconfig.Spec.Receivers {
		if v.Name == targetName {
			return true
		}
	}
	return false
}

func IsReceiverInUse(route *v1alpha1.Route, receiver v1alpha1.Receiver) bool {
	if route.Receiver == receiver.Name {
		return true
	}
	children, e := route.ChildRoutes()
	if e != nil {
		return false
	}
	for _, r := range children {
		if IsReceiverInUse(&r, receiver) {
			return true
		}
	}
	return false
}
